Digital pen



FIG. 1 is a bottom, front, right perspective view of the digital pen in accordance with our design;

FIG. 2 is a top, back, right perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front elevational thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom, front, right perspective view of the digital pen shown in FIG. 1 with end caps shown attached to the top and bottom;

FIG. 10 is a top, back, right perspective view thereof;

FIG. 11 is a is a left side elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a right side elevational view thereof;

FIG. 15 is a front elevational thereof;

FIG. 16 is a top plan view thereof;

FIG. 17 is the bottom, front, right perspective view of the digital pen shown in FIG. 9 shown with the end caps disengaged;

FIG. 18 is a top, back, right perspective view thereof; and,

FIG. 19 is a left side elevational view thereof.

The broken lines shown in the drawings represent portions of the digital pen that form no part of the claimed design. 

CLAIM The ornamental design for a digital pen, as shown and described. 